Peer-reviewed veterinary case report
Carrier rates and antibiotic resistance of Staphylococcus in healthy
By Katakweba, Abdul A S et al.·Published in Veterinary dermatology·2024·Institute of Pest Management·View original on PubMed →
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Original publication title: Brief communication: Carrier rate, antimicrobial resistance and molecular typing of Staphylococcus aureus and Staphylococcus pseudintermedius in healthy dogs from Morogoro, Tanzania.
- Species:
- dog
Plain-English summary
A study found that about 50% of healthy dogs in Tanzania carried a bacteria called Staphylococcus pseudintermedius, while 11.3% carried Staphylococcus aureus, which can cause infections. Only a small number of dogs had a strain of Staphylococcus aureus that was resistant to common antibiotics (MRSA). The researchers noted that while most strains of Staphylococcus pseudintermedius showed some resistance to antibiotics like penicillin, none were resistant to the same extent as the MRSA. This suggests that while these bacteria are present in healthy dogs, serious antibiotic resistance is relatively rare.
People also search for: dog mouth bacteria · Staphylococcus aureus in dogs · antibiotic resistance in dogs · healthy dog infections · Staphylococcus pseudintermedius treatment
Abstract
BACKGROUND: Staphylococcus pseudintermedius and S. aureus are important pathogens in dogs. This study established carrier rates, strain diversity and antimicrobial resistance of these bacteria among healthy dogs in Tanzania. RESULTS: Based on cultures of mouth and perineal swabs, 11.3% and 50.3% of 151 healthy dogs were carriers of S. aureus and S. pseudintermedius, respectively. Only four dogs (3%) carried meticillin-resistant S. aureus (MRSA), while none of the S. pseudintermedius strains were meticillin-resistant. 12 of 19 S. aureus strains tested were resistant to penicillin G, and resistance to enrofloxacin and tetracycline was also commonly detected. The most common resistances in 103 S. pseudintermedius strains tested were to penicillin G (28.2%) and tetracycline (22.3%). S. pseudintermedius strains showed 65 different random amplified polymorphic DNA (RAPD) fingerprints, and S. aureus strains belonged to eight different spa types, including two novel types (t18988 and t18989). MRSA strains carried SCCmec type V. CONCLUSIONS AND CLINICAL RELEVANCE: Healthy dogs in Tanzania were carriers of MRSA at low frequency, and half of the dogs carried S. pseudintermedius with high strain diversity.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/38887956/